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Intro to the characteristic equation for finding eigenvalues
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Intro to the characteristic equation for finding eigenvalues
1:37
About this lesson
• \(\det (A-\lambda I)=0\)
• The characteristic polynomial is \(\det (A-\lambda I)\)
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Video 1 of 11
Intro to the characteristic equation for finding eigenvalues
2 min
• Selected
Finding eigenvalues of a 2x2 matrix using the characteristic equation
6 min
Determinant tricks for 3x3 and triangular matrices with lambda
13 min
Understanding eigenvalue multiplicity: distinct vs repeated
4 min
Finding the characteristic polynomial of a 2x2 matrix
5 min
Finding the characteristic polynomial of a 3x3 triangular matrix
7 min
Finding eigenvalues using the quadratic formula and their multiplicity
8 min
Finding eigenvalues of a 3x3 matrix using the characteristic equation
16 min
Eigenvalues of a 5x5 triangular matrix with multiplicity
7 min
Proving A and A transpose have the same characteristic polynomial
8 min
Proving the characteristic polynomial of a triangular matrix with equal diagonal entries
6 min